[Mne_analysis] Averaging with mne_process_raw: zero-ed trials included?

Eric Larson larson.eric.d at gmail.com
Thu Aug 18 14:18:45 EDT 2011
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You should be able to use the options --magFlat and --gradFlat. Check
the MNE manual for these entries in Chapter 4---version 2.5 didn't
have it, but 2.7 (or above) does.

Eric


On Thu, Aug 18, 2011 at 11:10 AM, Per Lysne <plysne at mrn.org> wrote:
> Hello,
>
>     I am working with MEG data collected on a Elekta Neuromag scanner and
> processed with the maxfilter utility. Segments of my data become zero-ed out
> in the maxtiler output, which I believe may be due to head motion beyond
> some threshold where the motion correction feature no longer functions.
> Post-maxfilter I begin processing with the MNE utilities. I would like to
> avoid any zero-valued trials being included in an EMF or covariance matrix
> created using mne_process_raw. Does mne_process_raw include any detection
> for such trials, or does it include all trials which it is given? (For
> instance, if all MEG channels are fixed at zero for the entire duration of
> the trial.)
>
>     Thanks again,
>
> Per Lysne
> University of New Mexico/Mind Research Network
>
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